1. Section of Radiology, Hospital Santa Maria del Carmine, Rovereto, TN, Italy
2. Department of Mathematics, University of Trento, Trento, TN, Italy
3. Neurovascular Interventional Unit, Careggi University Hospital, Florence, Italy
4. Section of Ophthalmology, Ospedale Santa Maria del Carmine, Rovereto, TN, Italy
5. Laboratory of Applied Mathematics, University of Trento, Trento, TN, Italy